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Finding the Fourth Proportional to 56,425.61, 84,608.35 and 18,973.24

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Solution

The fourth proportional to 56,425.61, 84,608.35 and 18,973.24 is: 28,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.61 : 84,608.35 = 18,973.24 : x
  2. Step 2: Convert to fraction form
    56,425.61/84,608.35 = 18,973.24/x
  3. Step 3: Cross multiply
    56,425.61x = 84,608.35 × 18,973.24
  4. Step 4: Simplify right side
    56,425.61x = 1,605,294,271.60
  5. Step 5: Solve for x
    x = 1,605,294,271.60/56,425.61
  6. Step 6: Final answer
    x = 28,449.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.